Pioneer PDP-R03U Training Manual page 51

No external input <INPUT1>
Is "INPUT1" selected
NO
Select "INPUT1" on
on the Input Select
the menu screen.
menu screen?
YES
Is there AV signal Check the line
NO
input at pin (1) of
between pin (23) of
IC1301 (AV J1003 and pin (1) of
SWITCH)?
IC1301.
YES
C
YES
<MAIN system>
Is there video signal input at pin (88) of IC7001 (Y/C
Spearate)?
YES
Are there MAIN-Y and MAIN-C signal inputs at pins (1)
A
and (48) of IC801 (MAIN VIDEO CHROMA) respectively?
YES
Are there MAIN-Component-Y/Cb/Cr signal outputs
D
at pins (21), (22) and (23) of IC801, respectively?
YES
Are there MAIN-Component-Y/Cb/Cr signal inputs at pins
(69), (68) and (67) of IC803 (RGB DECODER), respectively?
YES
Are there MAIN-R/G/B signal outputs at pins (35),
F
(37) and (39) of IC803, respectively?
Are there MAIN-R/G/B signal inputs at pins (5), (7) and
(9) of IC810 (6.7MHz L.P.F.), respectively?
YES
Are there MAIN-R/G/B signal outputs at pins (13), (11)
and (10) of IC810, respectively?
YES
No external input <INPUT2>
Is "INPUT2" selected
NO
Select "INPUT2" on
on the Input Select
the menu screen.
menu screen?
YES
Check the line
Is there AV signal
NO
input at pin (8) of between pin (20) of
J1003 and pin (8)
IC1301 (AV
SWITCH)? of IC1301.
YES
Are there MAIN and SUB video signal outputs at pins (56) and (44) of IC1301, respectively?
NO
Check IC7001 and its
peripheral circuits.
NO
Check the line between
IC7001 and IC801.
NO
Check IC801 and its
peripheral circuits.
NO
Check the line between
IC801 and IC803.
NO
Check IC803 and its
peripheral circuits.
Check between
NO
IC803 and IC810.
Check IC810 and its
NO
peripheral circuits.
Check the PC I/F unit.
No picture (1)
No external input <INPUT3>
Is "INPUT3" selected
NO
Select "INPUT3" on
on the Input Select
the menu screen.
menu screen?
YES
Is there AV signal Check the line
NO
input at pin (15) of
between pin (23) of
IC1301 (AV J1104 and pin (15)
SWITCH)?
of IC1301.
YES
<SUB system>
Is there video signal at pins (2) and (1) of IC402
(Sub Comb Filter)?
Are there SUB-Y and SUB-C signal input at pin (44) and
B
(1) of IC802 (SUB VIDEO CHROMA), respectively?
Are there SUB-Y/Cb/Cr signal outputs at pins (21),
E
(22) and (23) of IC802, respectively?
Are there SUB-Y/Cb/Cr signal inputs at pins (5), (9)
and (7) of IC810 (6.7MHz L.P.F.), respectively?
Are there SUB-R/G/B signal outputs at pins (13),
(11) and (10) of IC810, respectively?
No external input <INPUT4>
Is "INPUT4" selected
NO
Select "INPUT4" on
on the Input Select
the menu screen.
menu screen?
YES
Is there AV signal Check the line
NO
input at pin (22) of
between pin (7) of
IC1301 (AV J3401 and pin (22)
SWITCH)?
of IC1301.
YES
NO
Check IC1301 and its
peripheral circuits.
YES
NO
Check IC402 and its
peripheral circuits.
YES
NO
Check the line between
IC402 and IC802.
YES
NO
Check IC802 and its
peripheral circuits.
YES
NO
Check the line between
IC802 and IC810.
YES
NO
Check IC810 and its
peripheral circuits.
YES